Fangrui Product Details 1. Wifi Intelligent Aquarium Fish Tank Hatch Central Air Conditioning Temperature Controller 2. Heating Home Heating, Fish Pet Breeding, Greenhouse Planting, Hatching Machine, Etc., High-precision Sensing, Temperature Control Is Under Control 3. Heating And Cooling For Refrigeration Refrigerators, Supermarket Fresh-keeping, Air Conditioners, Etc., The Operation Is Simple And Fast 4. Smart Wifi Connection, Remote Control Via Smartphone Or Tablet 5. The Abs Flame-retardant Material Shell Has Passed Multiple Safety Tests, Making It Safer And More Reliable 6. Wifi Connection, Remote Temperature Control Through Tuya Smart App On Mobile Phones And Tablets, Accurate And Reliable 7. Suitable For Pet Fish Breeding, Greenhouse Planting, Supermarket Fresh Food, Hatching Machines And Other Temperature Control Fields 8. Working Voltage: Ac110-230v 9. Temperature Range: -40 To 99 Degrees Velsius 10. Sensing Line Length: 100cm 11. Temperature Control Size: 93 X 56 X 34mm 12. Weight: 91g